Question about 1987 Volkswagen Golf
The speedometer stopped working.
One shop told my wife it was the gear connector thing that attaches a gear in the transmission to the speedometer cable. They replaced it.
She drove for ten minutes with the speedometer operating again, then it stopped operating again.
The shop said that for some reason the transmission ate up the gear and she'll need a new transmission.
Logic tells me me that either the speedo cable or the speedometer itself is not turning easily, and that caused the new gear thingy to jam or wear out quickly. How do I diagnose if it's the cable or in the speedometer? How do I even get to the speedometer?
Not sure how mechanicaly minded you are but you can do an easy check with the minimum of work.Assuming your speedo is run by a cable and not a transducer.Undo cable at gear box end and try to spin the plastic gear by hand should be free of binding or any other restriction.if you have a dual speed drill attach to plastic gear turn it on and see what the speedo is doing Leave running long enough to determine wether the problem is outside the gear box and not the expensive option.You can remove the plastic gear and completely remove the inner core to check its condition.If the core is at fault you can take the core out of the replacement cable and slide it back up the origional cable.Make sure you twist the core when putting back in as the ends of the core are square.This saves you the trouble of pulling the dash apart.
Posted on Oct 15, 2008
If the pinion bearings in the gearbobx are worn they can chew up the drive wheel in the gearbox for the speedometer
Posted on Oct 15, 2008
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Posted on Jan 02, 2017
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